Senior Security Engineer II, Cloud Security in Sunnyvale

• 5+ years of progressive experience in cloud security architecture and engineering
• Bachelor's degree in Computer Science or related field
• Deep and demonstrable understanding of public cloud platforms (e.g., GCP, AWS, Azure)
• Proven experience in designing, implementing, and automating security controls in cloud environments across the entire stack
• Proficient in Go and/or Python (you can write software in one of these )
• A track record of creating meaningful technical documentation that teammates actually want to read
• Familiarity with modern CI/CD practices and Infrastructure-as-Code tooling, especially Terraform

(if applicable):

• Open-source contributions in the public cloud security space
• Experience with operationalizing CSPM tooling (like Wiz)
• Strong understanding of threat modeling and secure design principles
• Strong knowledge and experience with modern container orchestration technologies

Wondering if you're a good fit? We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams - even if you aren't a 100% skill or experience match. Here are a few qualities we've found compatible with our team. If some of this describes you, we'd love to talk.

The base salary range for this role is $165,000 to $242,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility)., In addition to a competitive salary, we offer a variety of benefits to support your needs. The benefits below reflect our US-based offerings; for roles in other locations, benefits vary and are shared during the hiring process. These include:

• Medical, dental, and vision insurance - 100% paid for by CoreWeave
• Company-paid Life Insurance
• Voluntary supplemental life insurance
• Short and long-term insurance
• Flexible Spending Account
• Health Savings Account
• Tuition Reimbursement
• Ability to Participate in Employee Stock Purchase Program (ESPP)
• Mental Wellness Benefits through Spring Health
• Family-Forming support provided by Carrot
• Paid Parental Leave
• Flexible, full-service childcare support with Kinside
• 401(k) with a generous employer match
• Flexible PTO
• Catered lunch each day in our office and data center locations
• A casual work environment
• A work culture focused on innovative disruption

Job DescriptionJob DescriptionCoreWeave is The Essential Cloud for AI . Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com.What You'll Do As a Cloud Security Engineer at CoreWeave, you'll drive the security related efforts related to the design, implementation, and maintenance of secure cloud environments. This role requires deep expertise You'll use your deep expertise in public cloud security principles, best practices, and cutting edge technologies to define secure baselines, enforce policies, and embed security into public cloud architectures. You'll be a champion of automation and everything-as-code. You'll more than likely draw the owl as well. * Design, implement, and maintain scalable and robust security solutions for public cloud environments, utilizing guardrails, policies, and industry-leading practices * Define and maintain comprehensive security baseline requirements, policies, and standards for public cloud platforms (e.g., AWS, Azure, GCP) * Lead the design, implementation, and automation of security controls in public cloud environments, including primitives such as IAM, detection and monitoring, configuration management, and data protection * Utilize everything-as-code tools such as Terraform, to automate as much toil as possible * Collaborate effectively with cross-functional teams, such as Product Engineering, and internal security teams Investing in our people is one of our top priorities, and we value candidates who can bring their diversified experiences to our teams. Here are some qualities we've found compatible with our team. We'd love to talk about whether this aligns with your experience and interests and what you're excited to work on next., At CoreWeave, we work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values: * Be Curious at Your Core * Act Like an Owner * Empower Employees * Deliver Best-in-Class Client Experiences * Achieve More Together We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and enables the development of innovative solutions to complex problems. As we get set for takeoff, the organization's growth opportunities are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us!